220133323223221 has 8 divisors (see below), whose sum is σ = 220603313007000. Its totient is φ = 219663480529920.

The previous prime is 220133323223189. The next prime is 220133323223243. The reversal of 220133323223221 is 122322323331022.

It can be written as a sum of positive squares in 4 ways, for example, as 92012430320721 + 128120892902500 = 9592311^2 + 11319050^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220133323223221 - 2⁵ = 220133323223189 is a prime.

It is a super-2 number, since 2×220133323223221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220133323223251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33775996 + ... + 39762853.

It is an arithmetic number, because the mean of its divisors is an integer number (27575414125875).

Almost surely, 2^{220133323223221} is an apocalyptic number.

It is an amenable number.

220133323223221 is a deficient number, since it is larger than the sum of its proper divisors (469989783779).

220133323223221 is an equidigital number, since it uses as much as digits as its factorization.

220133323223221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73545239.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 220133323223221 its reverse (122322323331022), we get a palindrome (342455646554243).

The spelling of 220133323223221 in words is "two hundred twenty trillion, one hundred thirty-three billion, three hundred twenty-three million, two hundred twenty-three thousand, two hundred twenty-one".